TABLE I.

Example studies using single-SNP-single-QT methods, where pairwise SNP-QT associations are examined on a SNP-by-SNP and QT-by-QT basis.

Ref	Notes
[45]	GWAS, targeted QT, linear regression
[46]	GWAS, targeted QT, linear regression
[48]	Targeted SNP, targeted QTs, two-way ANCOVA
[49]	Targeted SNP, voxelwise QTs across brain, general linear model
[37]	GWAS, ROI-based QTs across brain, linear regression
[57]	GWAS, voxelwise QTs across brain, linear regression
[50]	Fast voxelwise GWAS (FVGWAS): heteroscedastic linear model, global sure independence screening, wild bootstrap
[52]	Regression models for analyzing secondary phenotypes
[55]	Regression models for analyzing secondary phenotypes